Separated the function export from bin.

node-module/bin/start-server.js

@@ -1,9 +1,7 @@
 #!/usr/bin/env node
 /* global require, process*/
 var args = process.argv.slice(2);
-var express = require('express');
-var app = express();
+var dir = process.cwd().toString();
 var port = args.length > 0 ? args[0] : 80;
-app.use(express.static(process.cwd().toString()));
-app.listen(port);
-console.log('Server started on '+ port);
+var starNode = require('../main.js');
+starNode.start(dir, port);

node-module/main.js

@@ -0,0 +1,22 @@
+/* an empty file */
+(function(){
+	var server = undefined;
+
+	function startServer(rootDir, port){
+		var express = require('express');
+		server = express();
+		server.use(express.static(rootDir));
+		server.listen(port, function(){			
+			console.log('Server started on '+ port);
+		});
+	}
+
+	function stopServer(){
+		if(server){
+			server.close();
+		}
+	}
+
+	exports.start = startServer;
+	exports.stop = stopServer;
+})();

node-module/package.json

@@ -1,8 +1,8 @@
 {
   "name": "star-node",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "a static html server to ease the development of web clients.",
-  "main": "index.js",
+  "main": "main.js",
   "bin" : {
 	  "star-node" : "./bin/start-server.js"
   },